body {
    box-sizing: border-box;
    width: 100%;
    padding: 24px 0 10px;
    overflow-y: auto;
    background: #000 url(../images/bg.png) no-repeat center center fixed;
    background-size: 100% 100%;
}
.nav{
    position: fixed;
    z-index: 1314;
    left: 10px;
    top: 200px;
    padding-left: 8px;
    background-color: rgba(0,0,0,.4);
    border-left: 1px solid #fff;
}
.nav a{
    display: block;
    height: 32px;
    line-height: 32px;
    color: #fff;
    font-size: 14px;
    text-decoration: none; 
}
.nav a:hover{
    color: #fc6b43;
}
.main {
    margin: 0 auto;
    height: 100%;
    overflow: hidden;
}
.main .unitContainer{
    width: 100%;
    overflow: hidden;
}
.main .unitContainer> h1{
    box-sizing: border-box;
    margin-top: 12px;
    padding-left: 12px;
    color: #fff;
    font-size: 22px;
    font-weight: bold;
}
.zt-img-div{
    display: block;
    padding: 5px;
    margin: 5px;
    float: left;
    background: #2196f32b;
    border-radius: 5px;
    text-align: center;
    cursor: pointer;
}
.zt-img-div>p{
    height: 30px;
    line-height: 30px;
    font-size: 14px;
    font-weight: 100;
    color: rgb(230,230,230);
}
.zt-img {
    width: 350px;
    height: 197px;
    border-radius: 10px;
}
.icp{
    text-align: center;
    
}
.icp a{
    color: #fff;
}
/* 1 */
@media screen and (max-width: 741px) {
    .main {
        width: 370px;
    }
  }
@media screen and (max-width: 1111px) and (min-width: 741px) {
    .main {
        width: 740px;
    }
}
@media screen and (max-width: 1851px) and (min-width: 1111px) {
    .main {
        width: 1110px;
    }
}
@media screen and (min-width: 1851px) {
    .main {
        width: 1500px;
    }
}
/* @media screen and (max-width: 1921px) and (min-width: 1851px) {
    .main {
        width: 1500px;
    }
}
@media screen and (max-width: 2221px) and (min-width: 1921px) {
    .main {
        width: 1850px;
    }
}
@media screen and (max-width: 2591px) and (min-width: 2221px) {
    .main {
        width: 2220px;
    }
}
@media screen and (max-width: 2961px) and (min-width: 2591px) {
    .main {
        width: 2590px;
    }
}
@media screen and (min-width: 2961px) {
    .main {
        width: 2960px;
    }
} */